/**
 * Copyright 2025 Chris Bunting <cbuntingde@gmail.com>
 *
 * Rate Limiter - Token bucket algorithm for API rate limiting
 */
declare class RateLimiter {
    private buckets;
    private readonly capacity;
    private readonly refillRate;
    constructor(capacity: number, tokensPerHour: number);
    /**
     * Try to consume a token from the bucket
     * @returns true if token was consumed, false if rate limit exceeded
     */
    tryConsume(key?: string): boolean;
    /**
     * Wait until a token is available
     */
    waitForToken(key?: string, maxWait?: number): Promise<void>;
    /**
     * Get remaining tokens
     */
    getRemainingTokens(key?: string): number;
    /**
     * Reset bucket for a key
     */
    reset(key?: string): void;
}
export declare const rateLimiter: RateLimiter;
export {};
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